My diet:
Comparison

Celery powder vs Sodium Nitrite

The short answer
It's closer than the labels suggest. Celery powder supplies the same nitrite as sodium nitrite, so "uncured" meat isn't nitrite-free. Sodium nitrite is dosed precisely; celery powder levels vary more from batch to batch.
Side by sideCelery powderSodium Nitrite
Safety score50/100 Use in moderation40/100 Best to avoid
Made fromFermented celery juiceSynthetic sodium salt
Active compoundNitriteNitrite
Label wording"Uncured", "no nitrites added""Cured", "sodium nitrite" ✓ Better
Dose controlVaries by batchPrecise, legally capped ✓ Better
Allowed in organic meatYesNo
AllergenCelery (an EU major allergen)None ✓ Better
Safety score50 ✓ Better40

Swapping one for the other

To really cut nitrite, eat less cured meat of either kind. When you do, cook bacon gently rather than crisping it hot, and pair it with vitamin C-rich foods, which slow nitrosamine formation.

Common questions

Is uncured bacon better than regular bacon?

Not meaningfully. Both are cured with nitrite; only the source is different.